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Frankenstein - LS3 Ported Heads

Frankenstein - LS3 Ported Heads

Frankenstein Engine Dynamics 821/823 - LS3 Ported Heads (SET)

Fully CNC ported, Stock LS3 Valves, FED .660” Lift Valve Springs, CNC Valve Job, NO CORE CHARGE!

  • Stage 1 Porting
  • 4.000" Minimum bore required
  • Fully 5-Axis CNC ported, 68cc chamber volume
  • FED’s exclusive high performance porting programs via 5-Axis CNC – Intake/Exhaust/Chambers
  • Pressure Tested for Leak Detection
  • Precision Newen CNC Valve Job, which ensures near zero runout
  • All Cylinder Head Sealing Surfaces Including Ends are PCD Machined, Making Sure all Surfaces are True
  • Meticulous Hand Blending and Deburr
  • PCD Surfacing Optimal For Modern MLS Head Gaskets
  • Final Wash and Assembly
  • Extreme Attention to Detail and Quality Control at Every Stage

 


$980.00

Original: $2,800.00

-65%
Frankenstein - LS3 Ported Heads

$2,800.00

$980.00

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Frankenstein Engine Dynamics 821/823 - LS3 Ported Heads (SET)

Fully CNC ported, Stock LS3 Valves, FED .660” Lift Valve Springs, CNC Valve Job, NO CORE CHARGE!

  • Stage 1 Porting
  • 4.000" Minimum bore required
  • Fully 5-Axis CNC ported, 68cc chamber volume
  • FED’s exclusive high performance porting programs via 5-Axis CNC – Intake/Exhaust/Chambers
  • Pressure Tested for Leak Detection
  • Precision Newen CNC Valve Job, which ensures near zero runout
  • All Cylinder Head Sealing Surfaces Including Ends are PCD Machined, Making Sure all Surfaces are True
  • Meticulous Hand Blending and Deburr
  • PCD Surfacing Optimal For Modern MLS Head Gaskets
  • Final Wash and Assembly
  • Extreme Attention to Detail and Quality Control at Every Stage